Home / 45,883.16-68,824.86-12,603.72

Finding the Fourth Proportional to 45,883.16, 68,824.86 and 12,603.72

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Solution

The fourth proportional to 45,883.16, 68,824.86 and 12,603.72 is: 18,905.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,883.16 : 68,824.86 = 12,603.72 : x
  2. Step 2: Convert to fraction form
    45,883.16/68,824.86 = 12,603.72/x
  3. Step 3: Cross multiply
    45,883.16x = 68,824.86 × 12,603.72
  4. Step 4: Simplify right side
    45,883.16x = 867,449,264.48
  5. Step 5: Solve for x
    x = 867,449,264.48/45,883.16
  6. Step 6: Final answer
    x = 18,905.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.